added button to import commands from chatterino 1

src/widgets/settingspages/CommandPage.cpp

@@ -14,6 +14,7 @@
 #include "util/StandardItemHelper.hpp"
 #include "widgets/helper/EditableModelView.hpp"
 //#include "widgets/helper/ComboBoxItemDelegate.hpp"
+#include "util/CombinePath.hpp"
 
 #include <QLabel>
 #include <QTextEdit>
@@ -25,6 +26,13 @@
 // clang-format on
 
 namespace chatterino {
+namespace {
+    QString c1settingsPath()
+    {
+        return combinePath(qgetenv("appdata"),
+                           "Chatterino\\Custom\\Commands.txt");
+    }
+}  // namespace
 
 CommandPage::CommandPage()
     : SettingsPage("Commands", ":/settings/commands.svg")
@@ -45,6 +53,29 @@ CommandPage::CommandPage()
             Command{"/command", "I made a new command HeyGuys"});
     });
 
+    if (QFile(c1settingsPath()).exists())
+    {
+        auto box = layout.emplace<QHBoxLayout>().withoutMargin();
+        auto button =
+            box.emplace<QPushButton>("Import commands from Chatterino 1");
+
+        QObject::connect(button.getElement(), &QPushButton::clicked, this, [] {
+            QFile c1settings = c1settingsPath();
+            c1settings.open(QIODevice::ReadOnly);
+            for (auto line : QString(c1settings.readAll())
+                                 .split(QRegularExpression("[\r\n]"),
+                                        QString::SkipEmptyParts))
+            {
+                if (int index = line.indexOf(' '); index != -1)
+                {
+                    getApp()->commands->items_.insertItem(
+                        Command(line.mid(0, index), line.mid(index + 1)));
+                }
+            }
+        });
+        box->addStretch();
+    }
+
     layout.append(
         this->createCheckBox("Also match the trigger at the end of the message",
                              getSettings()->allowCommandsAtEnd));